Home / 43,300.48-64,969.44-21,133.12

Finding the Fourth Proportional to 43,300.48, 64,969.44 and 21,133.12

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Solution

The fourth proportional to 43,300.48, 64,969.44 and 21,133.12 is: 31,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,300.48 : 64,969.44 = 21,133.12 : x
  2. Step 2: Convert to fraction form
    43,300.48/64,969.44 = 21,133.12/x
  3. Step 3: Cross multiply
    43,300.48x = 64,969.44 × 21,133.12
  4. Step 4: Simplify right side
    43,300.48x = 1,373,006,971.85
  5. Step 5: Solve for x
    x = 1,373,006,971.85/43,300.48
  6. Step 6: Final answer
    x = 31,708.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.